The non-marine Crustacea of Antarctica and the Islands of the Southern Ocean: biodiversity and biogeography

Pugh, Philip; Dartnall, H. J. G.; McInnes, Sandra J.

doi:10.1080/00222930110039602

Cited by 90 publications

(102 citation statements)

References 104 publications

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“…Species of Hyalella are also known from Mexico and Central America, Bousfi eld (1996) supported it, and suggested the presence of Austrohyalella and Mesohyalella genus in South America. Nevertheless, the recent literature mentioned the presence of Hyalella genus for all American continent (Väinöla et al, 2008;Witt & Hebert 2000;Wit et al, 2006) The absence of nodes in southern Patagonia agrees with analyses for Subantarctic islands (Pugh et al 2002) and southern South America (Dos Santos et al 2008), about similarities between continental Subantarctic species. Our results contrast with those from calanoid copepods (MenuMarque et al 2000) and fi shes of the genus Galaxias (Cussac et al 2004), that are known from southern Patagonia, New Zealand and adjacent islands, a different situation was reported for species of Hyalella that are widespread in South North America (Witt & Hebert, 2000;Witt et al 2003).…”

Section: Discussionsupporting

confidence: 65%

“…In South America, amphipods are represented by species inhabiting subterranean (Bogidellidae) and superfi cial (Hyalellidae) waters (Väinöla et al 2008). Hyalellidae are represented in the Americas by the genus Hyalella, which has been recently studied from a taxonomic perspective (Witt and Hebert 2000;Witt et al 2003;González andWattling 2002a-c, 2003a-c;González 2003;González et al 2006), and is possibly found in New Zealand (Pugh et al 2002).…”

Section: Introductionmentioning

confidence: 99%

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Distributional patterns of the South American species of Hyalella (Amphipoda: Hyalellidae)

Ríos-Escalante¹,

Morrone²,

Rivera³

2012

Gayana (Concepc.)

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Section: Discussionsupporting

confidence: 65%

Section: Introductionmentioning

confidence: 99%

Distributional patterns of the South American species of Hyalella (Amphipoda: Hyalellidae)

Ríos-Escalante¹,

Morrone²,

Rivera³

2012

Gayana (Concepc.)

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“…A similar zoogeographical pattern was observed in the genus Aegla (Perez-Lozada et al, 2002,2004,2009). This difference may be explained in part by the presence in Patagonia, of Southern South American and Subantarctic species (Pugh et al, 2002;Dos Santos et al, 2008). An important factor here is that Southern Patagonia has a few subtropical species combined with Subantarctic species (Pugh et al, 2002;Dos Santos et al, 2008), whereas Northern Chile exemplifies a different faunal region (Menu-Marque et al, 2000;Morrone, 2006;De los Ríos-Escalante et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

Zoogeography of Chilean inland water crustaceans

Ríos-Escalante

Meruane

Morales

et al. 2013

lajar

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ABSTRACT. The Chilean inland water crustaceans are characterized by a combination of endemic and cosmopolitan species: some occur throughout the territory of continental Chile, while others are restricted to specific latitudinal regions. This study examined the zoogeographical patterns exhibited by Chilean inland water crustaceans. We considered six regions: Northern Chile (18º-27°S), North-Central Chile (27º-30°S), Central Chile (30º-38°S), Northern Patagonia (38°-41°S), Central Patagonia (41º-51°S), and Southern Patagonia (51º-55°S), and these were identified based on literature records of inland water crustaceans. The classification analysis generated dendrograms for the following groups considered in this categories: all inland water crustaceans (Branchiopoda, Copepoda and Malacostraca), the zooplanktonic crustaceans (Branchiopoda and Copepoda), the Malacostraca alone, and each group separately. Analysis of total data and of the zooplankton group taxa alone revealed the existence of a main grouping consisting of the three Patagonian zones plus Central Chile, that is distinct from that of Northern Chile and North-Central Chile. Similarly, analysis of the malacostracan data revealed the existence of two main groups, one comprising the three Patagonian zones plus Central Chile, contrasted with a second group of Northern and North-Central Chile combined. Our results are in agreement with other panbiogeographical studies of South American crustaceans and insects. Possible factors responsible for generating this pattern are the dispersal and colonization potential of zooplanktonic crustaceans and the marked endemism of the malacostracans.

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“…Rather, long-distance dispersal limits their range expansion (Pugh, 1994 ;Pugh et al, 2002). Although a major problem, this limit is not insurmountable.…”

Section: (2 ) Correlatesmentioning

confidence: 99%

Biological invasions in the Antarctic: extent, impacts and implications

Frénot

Chown

Whinam³

et al. 2005

Biol. Rev.

613

822

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Alien microbes, fungi, plants and animals occur on most of the sub-Antarctic islands and some parts of the Antarctic continent. These have arrived over approximately the last two centuries, coincident with human activity in the region. Introduction routes have varied, but are largely associated with movement of people and cargo in connection with industrial, national scientific program and tourist operations. The large majority of aliens are European in origin. They have both direct and indirect impacts on the functioning of speciespoor Antarctic ecosystems, in particular including substantial loss of local biodiversity and changes to ecosystem processes. With rapid climate change occurring in some parts of Antarctica, elevated numbers of introductions and enhanced success of colonization by aliens are likely, with consequent increases in impacts on ecosystems. Mitigation measures that will substantially reduce the risk of introductions to Antarctica and the sub-Antarctic must focus on reducing propagule loads on humans, and their food, cargo, and transport vessels.

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The non-marine Crustacea of Antarctica and the Islands of the Southern Ocean: biodiversity and biogeography

Cited by 90 publications

References 104 publications

Distributional patterns of the South American species of Hyalella (Amphipoda: Hyalellidae)

Distributional patterns of the South American species of Hyalella (Amphipoda: Hyalellidae)

Zoogeography of Chilean inland water crustaceans

Biological invasions in the Antarctic: extent, impacts and implications

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